1002558489 has 16 divisors (see below), whose sum is σ = 1350236160. Its totient is φ = 661654800.

The previous prime is 1002558481. The next prime is 1002558497. The reversal of 1002558489 is 9848552001.

It is a happy number.

1002558489 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1002558481) and next prime (1002558497).

It is not a de Polignac number, because 1002558489 - 2³ = 1002558481 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1002558489.

It is not an unprimeable number, because it can be changed into a prime (1002558481) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 149764 + ... + 156314.

It is an arithmetic number, because the mean of its divisors is an integer number (84389760).

Almost surely, 2^1002558489 is an apocalyptic number.

It is an amenable number.

1002558489 is a deficient number, since it is larger than the sum of its proper divisors (347677671).

1002558489 is a wasteful number, since it uses less digits than its factorization.

1002558489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7060.

The product of its (nonzero) digits is 115200, while the sum is 42.

The square root of 1002558489 is about 31663.2040229665. The cubic root of 1002558489 is about 1000.8521033803.

The spelling of 1002558489 in words is "one billion, two million, five hundred fifty-eight thousand, four hundred eighty-nine".